55345413 has 4 divisors (see below), whose sum is σ = 73793888. Its totient is φ = 36896940.

The previous prime is 55345403. The next prime is 55345439. The reversal of 55345413 is 31454355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55345413 - 2⁹ = 55344901 is a prime.

It is a super-2 number, since 2×55345413² = 6126229480281138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9224233 + ... + 9224238.

It is an arithmetic number, because the mean of its divisors is an integer number (18448472).

Almost surely, 2^55345413 is an apocalyptic number.

It is an amenable number.

55345413 is a deficient number, since it is larger than the sum of its proper divisors (18448475).

55345413 is a wasteful number, since it uses less digits than its factorization.

55345413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18448474.

The product of its digits is 18000, while the sum is 30.

The square root of 55345413 is about 7439.4497780414. The cubic root of 55345413 is about 381.0896999484.

Adding to 55345413 its reverse (31454355), we get a palindrome (86799768).

The spelling of 55345413 in words is "fifty-five million, three hundred forty-five thousand, four hundred thirteen".